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A Sass media query mixin that captures almost all high DPI aware devices.
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/* ----------------------------------------------------------------------- */ | |
/* */ | |
/* Improved upon a mixin from 37signals and combined */ | |
/* with these numbers from marc. */ | |
/* */ | |
/* 37signals-version: */ | |
/* http://37signals.com/svn/posts/3271-easy-retina-ready-images-using-scss */ | |
/* */ | |
/* @kimroen */ | |
/* */ | |
/* A media query that captures: */ | |
/* */ | |
/* - Retina iOS devices */ | |
/* - Retina Macs running Safari */ | |
/* - High DPI Windows PCs running IE 8 and above */ | |
/* - Low DPI Windows PCs with IE zoomed in */ | |
/* - Android hdpi devices and above */ | |
/* - Android tvdpi devices, including Google Nexus 7 */ | |
/* - Chrome running on high DPI Macs and PCs */ | |
/* - Opera running on high DPI Macs, PCs and mobile devices */ | |
/* */ | |
/* Please note that that this code assumes you'll swap a */ | |
/* 2× version of your images. If you'd like to supply */ | |
/* finer increments, other thresholds might be appropriate. */ | |
/* */ | |
/* @marcedwards from @bjango */ | |
/* */ | |
/* ----------------------------------------------------------------------- */ | |
@mixin image-2x($image, $width: auto, $height: $width) { | |
@media only screen and (-webkit-min-device-pixel-ratio: 1.3), | |
only screen and (-o-min-device-pixel-ratio: 13/10), | |
only screen and (min-resolution: 120dpi) { | |
background-image: url($image); | |
@if $width != auto { | |
background-size: $width $height; | |
} | |
} | |
} |
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